<!DOCTYPE html>
<!-- Any copyright is dedicated to the Public Domain.
   - http://creativecommons.org/publicdomain/zero/1.0/ -->
<html>
  <head>
    <title>CSS Test: Sticky Positioning - containment and normal position</title>
    <link rel="author" title="Corey Ford" href="mailto:cford@mozilla.com">
    <link rel="match" href="overcontain-1-ref.html">
    <meta name="assert" content="Keeping the element's margin box within the containing block's content box should never move the element back past its normal position">
    <style>
      body {
        margin: 0;
      }
      #sticky {
        position: sticky;
        top: 10px;
        height: 10px;
        margin-bottom: 10px;
        background-color: black;
      }
    </style>
  <body>
    <div id="sticky"></div>
  </body>
</html>
